@charset "UTF-8";
.common_div_content {
    width:100%;
    overflow:hidden;
    position: relative;
}


.additional .margin_0 {
    margin-bottom:0;
}

.introdution_note {
    width:100%;
    text-align: right;
    font-size:12px;
    color: #525252;
    margin:15px 0 104px 0;
}
/*图片*/
.introdution_img {
    width: 880px;
    height: 292px;
    overflow:hidden;
    margin-bottom: 168px;
}

.introdution_img img {
    width:100%;
}

/*按钮显示*/

.introdution_div {
    position: absolute;
    left:72px;
    top:220px;
    overflow: hidden;
}

.introdution_div_one {
    width: 167px;
    height:47px;
    position: relative;
    overflow: hidden;
}

.introdution_div_block button {
    display: none;
    width: 167px;
    height:47px;
    background-color:#005b9d;
    border:3px solid #2693e4;
    position: absolute;
    color:#fff;
    font-size:16px;
}

.introdution_div .introdution_div_one:hover>.introdution_div_block button {
    display: block;
}